/*
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 * and open the template in the editor.
 */
package gui.treeQuery;

import java.awt.Color;
import java.awt.Dimension;
import java.awt.Graphics;
import javax.swing.Icon;
import javax.swing.JLabel;
import javax.swing.UIManager;
import javax.swing.plaf.ColorUIResource;

/**
 *
 * @author jorgeorm
 */
public class TreeLabel extends JLabel {
    boolean isSelected;

    boolean hasFocus;

    public TreeLabel() {
    }

    @Override
    public void setBackground(Color color) {
      if (color instanceof ColorUIResource)
        color = null;
      super.setBackground(color);
    }

    @Override
    public void paint(Graphics g) {
      String str;
      if ((str = getText()) != null) {
        if (0 < str.length()) {
          if (isSelected) {
            g.setColor(UIManager.getColor("Tree.selectionBackground"));
          } else {
            g.setColor(UIManager.getColor("Tree.textBackground"));
          }
          Dimension d = getPreferredSize();
          int imageOffset = 0;
          Icon currentI = getIcon();
          if (currentI != null) {
            imageOffset = currentI.getIconWidth()
                + Math.max(0, getIconTextGap() - 1);
          }
          g.fillRect(imageOffset, 0, d.width - 1 - imageOffset,
              d.height);
          if (hasFocus) {
            g.setColor(UIManager.getColor("Tree.selectionBorderColor"));
            g.drawRect(imageOffset, 0, d.width - 1 - imageOffset, d.height - 1);
          }
        }
      }
      super.paint(g);
    }

    @Override
    public Dimension getPreferredSize() {
      Dimension retDimension = super.getPreferredSize();
      if (retDimension != null) {
        retDimension = new Dimension(retDimension.width + 3, retDimension.height);
      }
      return retDimension;
    }

    public void setSelected(boolean isSelected) {
      this.isSelected = isSelected;
    }

    public void setFocus(boolean hasFocus) {
      this.hasFocus = hasFocus;
    }
 }
